 /*******************************************************************************
  * Copyright (c) 2004, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.intro.impl.model;

 import java.net.MalformedURLException ;
 import java.net.URL ;

 import org.eclipse.core.runtime.IConfigurationElement;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.ui.internal.intro.impl.util.ImageUtil;
 import org.eclipse.ui.intro.config.IntroElement;

 /**
  * An Intro Config component that captures launch bar shortcut information.
  *
  * @since 3.1
  */
 public class IntroLaunchBarShortcut extends AbstractIntroElement {

     protected static final String TAG_SHORTCUT = "shortcut"; //$NON-NLS-1$

     private static final String ATT_TOOLTIP = "tooltip"; //$NON-NLS-1$
 private static final String ATT_ICON = "icon"; //$NON-NLS-1$
 private static final String ATT_URL = "url"; //$NON-NLS-1$

     private IntroElement ielement;
     
     IntroLaunchBarShortcut(IConfigurationElement element, IntroElement ielement) {
         super(element);
         this.ielement = ielement;
     }
     
     IntroLaunchBarShortcut(IConfigurationElement element) {
         super(element);
     }


     public int getType() {
         return AbstractIntroElement.LAUNCH_BAR_SHORTCUT;
     }
     
     private String getAttribute(String name) {
         if (ielement!=null)
             return ielement.getAttribute(name);
         return getCfgElement().getAttribute(name);
     }

     /**
      * Returns the URL of this shortcut.
      *
      * @return
      */
     public String getURL() {
         return getAttribute(ATT_URL);
     }

     /**
      * Returns the tooltip of this shortcut.
      *
      * @return
      */
     public String getToolTip() {
         return getAttribute(ATT_TOOLTIP);
     }

     /**
      * Returns the relative icon path of this shortcut.
      *
      * @return
      */
     private String getIcon() {
         return getAttribute(ATT_ICON);
     }

     /**
      * Returns the icon image of this shortcut, or <code>null</code> if not
      * found.
      *
      * @return
      */
     public ImageDescriptor getImageDescriptor() {
         String icon = getIcon();
         if (icon!=null) {
             try {
                 URL imageUrl = new URL (icon);
                 ImageDescriptor desc = ImageDescriptor.createFromURL(imageUrl);
                 return desc;
             }
             catch (MalformedURLException e) {
                 // not a full url
 }
         }
         return ImageUtil.createImageDescriptor(getBundle(), getIcon());
     }
 }

